Updated on December 19, 2023

·

Created on October 1, 2018

Dutch Latrine Bag

Upcoming Update

The Dutch Latrine Bag is a large plastic latrine pit liner which prevents human waste from polluting the groundwater table.

Tested By
  • Aqua-Aero WaterSystems BV (AAWS)
Content Partners
Unknown

Author

Product Description

The Dutch Latrine Bag is a large, strong plastic bag used to line latrine pits. The bag both prevents human waste from contaminating the groundwater table, and allows for the waste to be more easily recycled for agricultural or biogas applications.

Pit latrines can be alternatively lined with brick and mortar, concrete, sandbags, or timber.

Target SDGs

SDG 6: Clean Water and Sanitation

Target Users (Target Impact Group)

Household, Community, Public Sector Agencies, NGOs

Distributors / Implementing Organizations

The bags are distributed directly from the manufacturer.

Manufacturing/Building Method

The Dutch Latrine Bags are manufactured using a thick, strong plastic sheeting to create a cylindrical bag. The bags are then installed into dug pits and secured with a support structure to the walls and pit bottom.

Intellectural Property Type

Trademark

User Provision Model

Users can obtain the bags from the manufacturer, or from partner NGOs who have already purchased bags.

Distributions to Date Status

Unknown

Toilet type

Accessory

Evacuation method

Pour-flush or dry

Storage conditions

Pit

Capacity (L)

~1400 L

Time until emptying

>10 years

Design Specifications

Each bag is designed to have a diameter of 1 meter, with a depth ranging up to 1.8 meter, dependent on the number of latrine users. In addition the plastic material used was chosen be strong enough to withstand the weight of waste when emptying a pit, and to have small enough pores to prevent bacteria and nitrate from seeping into the groundwater table.

Product Schematics

Technical Support

Technical support is provided by the manufacturer.

Replacement Components

The Dutch Latrine Bag does not require any additional components so no replacement components are required. Replacement bags can be purchased from the manufacturer.

Lifecycle

At least 10 years

Manufacturer Specified Performance Parameters

The manufacturer specifies performance targets related to preventing the groundwater table from becoming polluted due to human waste in latrines, simplifying the latrine construction process, reducing latrine construction cost, and re-using waste for agricultural applications or as fertilizers.

Vetted Performance Status

Unknown

Safety

The bags were developed prevent human waste from contaminating the groundwater table. When bags are removed from pits, care must be taken to not handle the human waste.

Complementary Technical Systems

The bags are used together with constructed pits and existing latrines.

Academic Research and References

AAWS. Dutch Latrine Bag. Available: https://www.aaws.nl/en/dutch-latrine-bag/

Environmental Expert. AAWS- Dutch Latrine Bag. Available: https://www.environmental-expert.com/products/aaws-dutch-latrine-bag-332471 

WEDC, 2014, Latrine pit excavation and linings, Loughborough University.

Compliance with regulations

Unknown

Evaluation methods

The bags are evaluated visually during installation to ensure that they are not torn and that they are secured to the bottom of the pit.

Other Information

The product appears to be discontinued with no updated information online as of 2018.

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